*{box-sizing:border-box;margin:0;padding:0}:root{--primary:#1a73e8;--primary-dark:#1557b0;--success:#34a853;--warning:#fbbc04;--danger:#ea4335;--bg:#f8f9fa;--card:#fff;--text:#202124;--text-secondary:#5f6368;--border:#e0e0e0;--radius:12px;--shadow:0 1px 3px #0000001a}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5}.app-layout{flex-direction:column;min-height:100vh;display:flex}.app-header{background:var(--card);border-bottom:1px solid var(--border);z-index:100;justify-content:space-between;align-items:center;padding:12px 16px;display:flex;position:sticky;top:0}.app-header h1{font-size:18px;font-weight:600}.app-nav{background:var(--card);border-top:1px solid var(--border);z-index:100;justify-content:space-around;padding:8px 0;display:flex;position:fixed;bottom:0;left:0;right:0}.app-nav a{color:var(--text-secondary);flex-direction:column;align-items:center;gap:2px;min-width:64px;padding:4px 12px;font-size:11px;text-decoration:none;display:flex}.app-nav a.active{color:var(--primary);font-weight:600}.app-nav a .nav-icon{font-size:20px}.app-content{flex:1;width:100%;max-width:800px;margin:0 auto;padding:16px 16px 80px}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:12px;padding:16px}.card-header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.card-title{font-size:14px;font-weight:600}.tiles{grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px;display:grid}.tile{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);text-align:center;cursor:pointer;color:var(--text);padding:20px 16px;text-decoration:none;transition:transform .1s}.tile:active{transform:scale(.97)}.tile-count{margin-bottom:4px;font-size:32px;font-weight:700;line-height:1}.tile-label{color:var(--text-secondary);font-size:12px;font-weight:500}.tile--alert .tile-count{color:var(--danger)}.tile--warning .tile-count{color:var(--warning)}.tile--info .tile-count{color:var(--primary)}.btn{cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;min-width:44px;min-height:44px;padding:12px 24px;font-size:14px;font-weight:600;transition:background .15s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-success{background:var(--success);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-outline{border:1px solid var(--border);color:var(--text);background:0 0}.btn-block{width:100%;display:flex}.btn-group{gap:8px;display:flex}.btn:disabled{opacity:.5;cursor:not-allowed}.form-group{margin-bottom:16px}.form-group label{color:var(--text-secondary);margin-bottom:4px;font-size:13px;font-weight:500;display:block}.form-input{border:1px solid var(--border);border-radius:8px;width:100%;min-height:44px;padding:10px 12px;font-family:inherit;font-size:16px}.form-input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 2px #1a73e833}.form-select{appearance:none;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%235f6368'/%3E%3C/svg%3E") right 12px center no-repeat;padding-right:32px}.badge{text-transform:uppercase;letter-spacing:.5px;border-radius:4px;padding:4px 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p{color:var(--text-secondary);margin-bottom:24px;font-size:14px}.error-text{color:var(--danger);margin-bottom:12px;font-size:13px}.detail-section{margin-bottom:24px}.detail-section h2{margin-bottom:12px;font-size:16px;font-weight:600}.detail-row{border-bottom:1px solid var(--border);justify-content:space-between;padding:8px 0;font-size:14px;display:flex}.detail-row:last-child{border-bottom:none}.detail-label{color:var(--text-secondary)}.detail-value{text-align:right;font-weight:500}.item-row{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:10px 0;font-size:14px;display:flex}.item-row:last-child{border-bottom:none}.item-name{flex:1}.item-qty{color:var(--text-secondary);margin:0 12px}.item-price{white-space:nowrap;font-weight:500}.empty-state{text-align:center;color:var(--text-secondary);padding:48px 16px}.empty-state p{margin-bottom:16px}.loading{min-height:200px;color:var(--text-secondary);justify-content:center;align-items:center;display:flex}.filter-bar{-webkit-overflow-scrolling:touch;gap:8px;margin-bottom:16px;display:flex;overflow-x:auto}.filter-chip{border:1px solid var(--border);background:var(--card);white-space:nowrap;cursor:pointer;border-radius:20px;min-height:36px;padding:8px 16px;font-size:13px}.filter-chip.active{background:var(--primary);color:#fff;border-color:var(--primary)}@media (width>=768px){.app-nav{border-top:none;border-bottom:1px solid var(--border);justify-content:flex-start;gap:8px;padding:0 16px;position:static}.app-nav a{flex-direction:row;gap:6px;padding:12px 16px;font-size:13px}.app-content{max-width:1200px;padding-bottom:16px}.tiles{grid-template-columns:repeat(4,1fr)}}